Rock your Baby was started by two sisters who wanted their clothes to have, instead of cuddly bears and princesses,
a distinct pop flavour and that, they did!
Visit Rock your Baby and you will find that you can view all of their designs in a t-shirt for your toddler and a onesie for your infant/baby and most designs are shown as a bib and a hat as well.
Here are a couple of my favorite designs:
Where to buy: Rock your Baby